Internationalist - Pro UN aims, Europe, 3rd World development and an international response to problems like the environment and trade. Likely to listen to Oxfam and Amnesty International. 
Liberal - Against discrimation, ID cards, detention without trial, other abuse of powers which drag the UK down to the same level as oppressive regimes around  the world. 
Social - "balances the fundamental values of liberty, equality & community" [from the Liberal Democrats constitution]. Free education for all. Dignity for all in old age. Proportional representation and a fully elected House of Lords.